Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Stephen R Freidberg, MD

Neurological Surgery Physician in Burlington, MA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1023109816

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Registry record

Entity type Individual (Type 1)

Name Dr. Stephen R Freidberg

Credential MD

Sex Male

Practice address Lahey Clinic, 41 Mall Rd., Burlington, MA, 01805

Phone (781) 744-8085

Fax (781) 744-5215

Enumeration date Sep 27, 2006

Last updated in NPPES Dec 7, 2010

Taxonomy & licenses

207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License 31742 (MA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
110063789A	Medicaid	MA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Stephen Freidberg?

The National Provider Identifier (NPI) for Stephen Freidberg is 1023109816, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stephen Freidberg practice?

The practice location on file with NPPES is in Burlington, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-12-07.